Power supply case for welding, cutting, or heating power



FIG. 1 is a top perspective view of a power supply case for welding, cutting, or heating power showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dashed broken lines in the figures depict portions of the power supply cases that form no part of the claimed designs. 

CLAIM The ornamental design for a power supply case for welding, cutting, or heating power, as shown and described. 